sell out

British  

verb

1. Also (chiefly Brit): sell up.  to dispose of (supplies of something) completely by selling

2. informal (tr) to betray, esp through a secret agreement

3. informal (intr) to abandon one's principles, standards, etc

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noun

1. informal a performance for which all tickets are sold

2. a commercial success

3. informal a betrayal

4. informal a person who betrays their principles, standards, friends, etc

sell out Idioms  

1. Dispose of entirely by selling. For example, The rancher finally sold out to the oil company , or The tickets to the concert were sold out a month ago . [Late 1700s]

2. Betray one's cause or colleagues, as in He sold out to the other side . [ Slang ; late 1800s]

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Example Sentences

In the U.S., the totes sell out quickly at stores, fueling a domestic frenzy.

From The Wall Street Journal

“It’s not common to have theaters really sell out like that anymore, unfortunately,” he said.

From The Wall Street Journal

The fight is no longer what it once was, but it would still be enormous and would still sell out a stadium.

From BBC

Now, investors can sell out completely—but only at the price someone else is willing to pay.

From The Wall Street Journal

"You could sell out a stadium in the North East with the talent we've got, but we're with different promoters which isn't ideal," he adds.

From BBC